Re: [PATCH] i386: Avoid =, r, r andn double-word alternative for ia32 [PR114810]

2024-04-23 Thread Uros Bizjak
On Tue, Apr 23, 2024 at 5:50 PM Jakub Jelinek wrote: > > Hi! > > As discussed in the PR, on ia32 with its 8 GPRs, where 1 is always fixed > and other 2 often are as well having an alternative which needs 3 > double-word registers is just too much for RA. > The following patch splits that

[PATCH] i386: Avoid =,r,r andn double-word alternative for ia32 [PR114810]

2024-04-23 Thread Jakub Jelinek
Hi! As discussed in the PR, on ia32 with its 8 GPRs, where 1 is always fixed and other 2 often are as well having an alternative which needs 3 double-word registers is just too much for RA. The following patch splits that alternative into two, one with o is used even on ia32, but one with the 3x